Cytochrophin-4

Cytochrophin-4
Names
	IUPAC name (2S,3R)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-Amino-3-(4-hydroxyphenyl)propanoyl]pyrrolidine-2-carbonyl]amino]-3-phenylpropanoyl]amino]-3-hydroxybutanoic acid
	Other names Cytochrophin; Tyr-Pro-Phe-Thr; L-Tyrosyl-L-prolyl-L-phenylalanyl-L-threonine
Identifiers
CAS Number	97730-74-0;
3D model (JSmol)	Interactive image;
ChemSpider	112625;
PubChem CID	126809;
CompTox Dashboard (EPA)	DTXSID70913678 ;
	InChI InChI=1S/C27H34N4O7/c1-16(32)23(27(37)38)30-24(34)21(15-17-6-3-2-4-7-17)29-25(35)22-8-5-13-31(22)26(36)20(28)14-18-9-11-19(33)12-10-18/h2-4,6-7,9-12,16,20-23,32-33H,5,8,13-15,28H2,1H3,(H,29,35)(H,30,34)(H,37,38)/t16-,20+,21+,22+,23+/m1/s1 Key: ZQJHYRVSKHGGJY-YPKJBDGSSA-N;
	SMILES C[C@H]([C@@H](C(=O)O)NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)[C@@H]2CCCN2C(=O)[C@H](CC3=CC=C(C=C3)O)N)O;
Properties
Chemical formula	C27H34N4O7
Molar mass	526.590 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Cytochrophin-4 is an opioid peptide.^[1]

References

^ Liebmann, C; Schrader, U; Brantl, V (1989). "Opioid receptor affinities of the blood-derived tetrapeptides hemorphin and cytochrophin". European Journal of Pharmacology. 166 (3): 523–6. doi:10.1016/0014-2999(89)90368-3. PMID 2553436.

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